Home / 103,405.28-155,084.88-41,059.04

Finding the Fourth Proportional to 103,405.28, 155,084.88 and 41,059.04

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Solution

The fourth proportional to 103,405.28, 155,084.88 and 41,059.04 is: 61,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,405.28 : 155,084.88 = 41,059.04 : x
  2. Step 2: Convert to fraction form
    103,405.28/155,084.88 = 41,059.04/x
  3. Step 3: Cross multiply
    103,405.28x = 155,084.88 × 41,059.04
  4. Step 4: Simplify right side
    103,405.28x = 6,367,636,291.32
  5. Step 5: Solve for x
    x = 6,367,636,291.32/103,405.28
  6. Step 6: Final answer
    x = 61,579.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.